diff -r d189ee25cf9d -r 3533d4323edc meetingrequest/mricalviewer/src/cesmricalviewerasynccommand.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mricalviewer/src/cesmricalviewerasynccommand.cpp	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  ESMR async command base class implementation
+*
+*/
+
+
+// INCLUDE FILES
+#include "emailtrace.h"
+#include "cesmricalviewerasynccommand.h"
+#include <calsession.h>
+
+/// Unnamed namespace for local definitions
+namespace {
+
+/**
+ * ASync callback method.
+ * @param aParam Poiter to async command object 
+ */
+TInt ASyncCallback( TAny* aParam )
+	{
+	CESMRIcalViewerAsyncCommand* asyncCommand = 
+			static_cast<CESMRIcalViewerAsyncCommand*>( aParam );
+
+    TRAPD( err, asyncCommand->ExecuteAsyncCommandL() );
+    
+    return err;
+	}
+
+}  // namespace
+
+// ======== MEMBER FUNCTIONS ========
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerAsyncCommand::CESMRIcalViewerAsyncCommand
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerAsyncCommand::CESMRIcalViewerAsyncCommand(
+			TESMRIcalViewerOperationType aType,
+			CCalSession& aCalSession )
+:	CESMRIcalViewerCommandBase( aType, aCalSession )
+	{
+    FUNC_LOG;
+	
+	}
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerAsyncCommand::CESMRIcalViewerAsyncCommand
+// -----------------------------------------------------------------------------
+//
+CESMRIcalViewerAsyncCommand::~CESMRIcalViewerAsyncCommand()
+	{
+    FUNC_LOG;
+	delete iAsyncInvoker;
+	}
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerAsyncCommand::CESMRIcalViewerAsyncCommand
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerAsyncCommand::ExecuteCommandL(
+		CFSMailMessage& aMessage,
+		MESMRIcalViewerObserver& aObserver )
+	{
+    FUNC_LOG;
+	if ( !iAsyncInvoker )
+		{
+		TCallBack callback( ASyncCallback, this );
+		iAsyncInvoker = new (ELeave) CAsyncCallBack(
+				callback, EPriorityNormal );
+		}
+	
+	SetMessage( &aMessage );
+	SetObserver( &aObserver );
+	
+	// Invoking async command
+	iAsyncInvoker->CallBack();
+	}
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerAsyncCommand::CESMRIcalViewerAsyncCommand
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerAsyncCommand::CancelCommand()
+	{
+    FUNC_LOG;
+	if ( iAsyncInvoker )
+		{
+		CancelAsyncCommand();
+		}
+	
+	delete iAsyncInvoker; iAsyncInvoker = NULL; 
+	}
+
+// -----------------------------------------------------------------------------
+// CESMRIcalViewerAsyncCommand::CESMRIcalViewerAsyncCommand
+// -----------------------------------------------------------------------------
+//
+void CESMRIcalViewerAsyncCommand::BaseConstructL()
+	{
+    FUNC_LOG;
+	CESMRIcalViewerCommandBase::BaseConstructL();
+	}
+
+// EOF
+